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Finding the Fourth Proportional to 296,468.20, 444,702.30 and 163,279.90

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Solution

The fourth proportional to 296,468.20, 444,702.30 and 163,279.90 is: 244,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,468.20 : 444,702.30 = 163,279.90 : x
  2. Step 2: Convert to fraction form
    296,468.20/444,702.30 = 163,279.90/x
  3. Step 3: Cross multiply
    296,468.20x = 444,702.30 × 163,279.90
  4. Step 4: Simplify right side
    296,468.20x = 72,610,947,073.77
  5. Step 5: Solve for x
    x = 72,610,947,073.77/296,468.20
  6. Step 6: Final answer
    x = 244,919.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.